Interior view of a Denver and Rio Grande Western Ski Train car in Denver, Colorado. Passengers wear sweaters, jackets or snow pants. People sit at tables with lamps. Signs and posters on walls read: "Winter Park" and "Busch, Head for the...

Blackhawk lies at the mouth of Chase Gulch near Central City in Gilpin County, Colorado. A railroad track forks in the foreground with one portion leading to the Polar Star Mill at right. The Empire Mill stands in the midground, and the Boiler Room...

A view of a Colorado Central Railroad train (narrow gauge) on the west approach to Huntsman's Bridge in Clear Creek Canyon, Jefferson County, Colorado. A locomotive, open freight cars, and a passenger car are near Clear Creek.

View of the La Veta Place apartments in Denver, Colorado; shows a brick and stone building with bay windows, garden level sidewalk entries. Young girls in dresses and hats play in the street near a horse and carriage.

A view of the William N. Byers family on the porch of a house in Pass Christian, Mississippi. Shows, from right to left, [unidentified woman], Frank S. Byers, Mrs. Frank Byers, William Byers in a rocking chair, Elizabeth Byers, and Robinson Byers.

View north from Bobtail Hill, in Black Hawk, Colorado, up four mile Gulch to Dory Hill, where the state's first cemetery was located. Central business district includes: Undertaker, Union House (on Selak Street), Drugs (brick, arched windows and...

View of the Power Building and other structures at the Toltec Tunnel mine in Conejos County, Colorado. Shows men, women and children near saddled horses. A truss bridge is over the Silverton Northern railroad track. A freight car on a train reads,...

Denver & Rio Grande Railroad Locomotive number 507 pulls a passenger train beside the Eagle River in Eagle River Canon, Eagle County, Colorado. Head frames and mining structures are located on the steep rock faces of the canyon walls. Gilman and...

Head and shoulders studio portrait of Elote, North American Indian subchief (Apache); he wears a headdress with feathers and buffalo horns and decorated with discs and ribbons. He wwears a hairpipe necklace and has a blanket wrapped around his...

A view of a Colorado Central Railroad train on a wooden trestle bridge at Packard Gulch near Mountain City (Gilpin County), Colorado. Men are in and on top of the train. Buildings are on a hillside in the distance.

Panoramic, southward view of Glenwood Springs, Colorado, taken from upper floor of the Hotel Colorado; the Grand Avenue Bridge spans the Grand River (now Colorado River), leading from the hotel to businesses and residences of Glenwood Springs;...

Rooftop view of commercial buildings in the Union Station neighborhood of Denver, Colorado. Multi-story brick and stone buildings on 16th (Sixteenth) Street include the Hotel Brunswick (Clarke Building), the corner Tabor Block and the "New York...

View of a three-story brick house on 14th (Fourteenth) and Welton Streets in Denver, Colorado. This house built for Senator Nathaniel Hill has second floor balconies, Classical pillars, a turret, a mansard roof with dormer windows, a widow's walk...

A man with a hat and tall boots, a member of the Corps of Engineers, sits and poses on a rock at probably Toroweap Point on the edge of a chasm at the Grand Canyon (later Grand Canyon National Park), in Arizona. Shows rounded sandstone rocks and...

View of a Colorado Central Railroad freight train beside Clear Creek in Clear Creek Canyon, Jefferson County, Colorado. Men sit in a carriage in an open railroad freight car. The railroad grade is near steep canyon walls.

Yale College students and members of O.C. (Othniel Charles) Marsh's survey expedition (Yale College Scientific Expedition of 1873) pose on a rock formation in northern Utah. Men collect fossil and rock samples for the Peabody Museum. Saddled horses...

View of the Radium Company of Colorado's Tejon plant, probably in Denver, Colorado. Machinery and equipment include furnaces, engines, and funnel feeders. Placards embossed on the machinery read: "Hendrie and Bolthoff Manufacturing and Supply Co...

A man stands near an air compressor and dynamo located in the power building at the Toltec Tunnel mine, Conejos County, Colorado. Shows a General Electric brand dynamo and an air compressor made by the J. George Leyner Engineering Works Company.

The James Ranch in Estes Park (Larimer County), Colorado, which later became the Elkhorn Lodge, sits at the base of a conical mountain, with mountains in the distance; Fall River is nearby. Several long gable-roofed buildings make up the ranch,...

Men in suits and hats stand at the bar in a saloon in Leadville, Colorado. Two men stand behind the long wooden bar, one wears a suit, bow tie and derby hat, the saloonkeeper wears a white jacket and bow tie. Both men have moustaches. The wooden...

View north in Silver Plume, Colorado, shows the mines on Republican Mountain. The lowest mine on left is the Diamond Tunnel; above, and from left to right are: Pelican, Dives, Baxter, and Baxter mines; above and to the right are the Dunkirk and...

A man stands and looks at a stone obelisk with a metal plaque depicting Ouray, a Native American (Ute) Chief, and incised letters: "In Memory of Chief Ouray and Chipeta Erected by The State of Colo. 1926.", Montrose, Montrose County, Colorado....